Lavender

Introduction

This fact sheet provides basic information about the herb lavender—common names, uses, potential side effects, and resources for more information. Lavender is native to the Mediterranean region. It was used in ancient Egypt as part of the process for mummifying bodies. Lavender’s use as a bath additive originated in Persia, Greece, and Rome. The herb’s name comes from the Latin lavare, which means “to wash.”

Common Names–lavender, English lavender, garden lavender

Latin Names—Lavandula angustifolia

What It Is Used For

Historically, lavender was used as an antiseptic and for mental health purposes.

Today, the herb is used for conditions such as anxiety, restlessness, insomnia, and depression.

Lavender is also used for headache, upset stomach, and hair loss.

How It Is Used

Lavender is most commonly used in aromatherapy, in which the scent of the essential oil from the flowers is inhaled.

The essential oil can also be diluted with another oil and applied to the skin.

Dried lavender flowers can be used to make teas or liquid extracts that can be taken by mouth.

What the Science Says

There is little scientific evidence of lavender’s effectiveness for most health uses.

Small studies on lavender for anxiety show mixed results.

Some preliminary results indicate that lavender oil, combined with oils from other herbs, may help with hair loss from a condition called alopecia areata.

Side Effects and Cautions

Topical use of diluted lavender oil or use of lavender as aromatherapy is generally considered safe for most adults. However, applying lavender oil to the skin can cause irritation.

Lavender oil may be poisonous if taken by mouth.

When lavender teas and extracts are taken by mouth, they may cause headache, changes in appetite, and constipation.

Using lavender with sedative medications may increase drowsiness.

Tell your health care providers about any complementary and alternative practices you use. Give them a full picture of what you do to manage your health. This will help ensure coordinated and safe care.